Acremaster 404A vs Acremaster 421

Verdict: Acremaster 404A vs Acremaster 421

The Acremaster 404A and the Acremaster 421 are both tractors — here is how they stack up on the figures that matter. Acremaster 404A leads on rated power with 515 hp against 210 hp. Acremaster 421 is the lighter machine (9,399 kg vs 21,000 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Acremaster 404A holds more fuel (1799.8 L vs 1015.9 L) for longer stints between fills. In short: choose the Acremaster 404A for outright pulling power, or the Acremaster 421 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.